The Irish (Gaelic) word for 'first' is is céad.
The Scottish Gaelic word is ciad.
In Irish (Gaelic) it is póirín. In (Scottish) Gaelic it is .....
In the Irish language, 'the first born' is An Chéadghin.Scottish Gaelic: ??
céad
Meiriceanach (with a fada on the first 'a')
ciad
iobairt (with a fada on the first 'i')
first-love
The governing body for Gaelic Football, the Gaelic Athletic Association, was founded on November 1st 1884, but the game itself long pre-dates that. Gaelic football can trace its origins back centuries, so it is not known who were the first people to play it.
In Irish we have no specific nicknames for first born daughters.
Gaelic football was first codified in 1887 rugby football league goes back to 1895
companach (with a fada on the first 'a'), comradai (with a fada on the first 'a' and on the 'i')
The Scottish Gaelic form of the surname is MacIllFhionndaig.As a first name it would be Liondsaidh.(Some Irish families that adopted the name 'Lindsay' were MacClintock, Lynchy, and O'Lynn.)